Step-by-step explanation:
Multiply both sides by 9 and you will get
[tex]2 + h + 3(h - 1) = 3[/tex]
or
[tex]2 + h + 3h - 3 = 3[/tex]
Solving for h, we get
[tex]4h = 4 \Rightarrow h = 1[/tex]
